U.S. spot Ethereum ETF lost US$542.1 million, and Solana ETF's continuous inflow momentum ended

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The U.S. spot Ethereum ETF has a net outflow of US$542.1 million in a single week, and the Solana ETF has ended its 14 consecutive weeks of inflow record.

Last week, the U.S. spot Ethereum ETF recorded a net outflow of US$542.1 million. At the same time, Solana ETF's 14 consecutive weeks of capital inflows came to an abrupt end. This marks a simultaneous reversal of institutional capital flow momentum for the two largest altcoin ETF products currently traded in the United States.

The Ethereum ETF lost US$542.1 million in a single week

The US$542.1 million in net capital outflow from the U.S. spot Ethereum ETF represents the total weekly redemption at all issuer levels. This means that during the reporting period, the total capital withdrawn exceeded the total capital invested. It should be noted that net capital outflows do not necessarily reflect a decline in fund assets at the individual issuer level, as differences in performance and fee structures of different funds may significantly change the specific circumstances of a single fund.

The latest outflow event continues the cyclical pattern of redemption pressure since the launch of the Ethereum ETF. Early in the product's history, the spot Ethereum ETF recorded a net outflow of $40.85 million in a single trading day, with Grayscale's ETHE leading the redemption wave, highlighting how concentrated selling by a single issuer distorts the overall weekly summary data.

Since data disaggregated by fund is not provided in the existing report, it is not possible to confirm the distribution of capital outflows among issuers such as BlackRock, Fidelity and Grayscale. Readers should regard this summary data as a confirmed directional signal, but should note that the specific ownership of each issuer has not yet been confirmed.

Solana ETF's 14-week consecutive inflow record ends

Solana ETF's 14-week consecutive inflow record ends, marking a major shift in the flow of funds for the product. Since its launch, the product has attracted continued net buying. An inflow record of this length shows that more capital is entering Solana ETF products every week than capital is flowing out. Institutional investors often view this indicator as a signal of continued demand rather than tactical positions.

Although the specific net outflow value of Solana ETF in the week when the record ended cannot be confirmed in the available data, the scale of this reversal is still unknown, the change in direction is certain: After 14 weeks of net positive capital inflows, the capital situation in the most recent week turned into a net outflow or zero net inflow, thus ending the previous winning streak.

Previously, the Solana Foundation's expanding institutional influence-including the acquisition of a stake in SBI R3 Japan ahead of a global rebranding-provided a structural tailwind for Solana-related products. In addition, the seven largest hedge funds set a record net exposure of 22%, which also reflects changes in the macro environment.

What does weekly ETF flow data confirm and what does not confirm

Weekly flow data measures the difference between shares created and shares redeemed by all authorized participants (APs) in a specific ETF series. A negative weekly value only confirms that more capital has left the product than entered during that particular period; it does not confirm changes in price direction views, underlying fundamentals, or ensure continued trends in the absence of additional weeks of data.

Ethereum's outflow of funds and Solana's inflow record ended during the same reporting week, making this synchronized shift in direction a noteworthy signal. However, it is impossible to determine whether these two events share common macro triggers, rotation effects between assets, or represent independent fund-level decisions based on capital flow data alone, and existing research has not confirmed any causal explanations.

The ETF flow report summarizes data from various issuers and authorized participants, which may conceal significant differences between individual products. For example, even if low-fee competitors continue to attract capital inflows, large redemptions by a single issuer (such as high-fee legacy conversion tools) can cause the overall summary to be negative. Confirming fund-level details requires cross-referencing daily creation and redemption records filed with the Securities and Exchange Commission rather than relying solely on weekly summary reports.